Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Battery Application Worksheet

Specification Documents to outline your requirements.

Lithium Battery Safety

We offer testing to the IEC 62133:2 2017 and UN38.3 standards.

Battery Testing Capabilities

Explore our range of battery testing capabilities.

Quality Assurance

Our quality management system is ISO 9001:2015 certified.

Batteries By Application Use

Explore by product category, application or intended use

Batteries By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom battery pack assembly provision

Industry Solutions

Explore our capabilities to supply your industry need

Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery assembly components, parts, leads & connectors

Test & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

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Featured Products

Laptop Power Supplies

The Enecharger range of Laptop Chargers covers a wide range of brands - Stay powered with Enecharger Click the heading to read more

Baby Monitor battery

Rechargable replacement battery for BT, Philips & V-Tech Baby Monitors!  Click the heading to read more

AA-AAA Bulk Packs

Fujitsu Premium Power AA & AAA bulk packs available for high volume users! Click the heading to read more

General Purpose LED Torch

The WK007 XTAR torch is powered by AA batteries and is the perfect all-rounder. 500LM and focusable! Click the heading to read more

Products by Brand


COVID-19 Statement


COVID-19 Statement from Master Instruments Pty LtdRead More

Victron SuperPack Lithium


Making the change from Lead Acid /Gel battery systems to Lithium is now far easier with the SuperPack battery range from Victron Energy.Read More

Inside the Victron MultiPlus


Check out the very informative video about the Victron Multiplus Inverter/ChargerRead More

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